i have these big problem, i tried to install RAC on these two virtual machines before i do the production enviroment and here are the problems i am facing
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Operating system OEL 6.3
GRID 11.2.0.3
DB 11.2.0.3

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1. during pre requset test /etc/resolv.vonf failed saying PRVF-5636 : The DNS response time for an unreachable node can not be found . . .. but i cheked everything